(19)

(11)

EP 3 346 990 A1

(12)

(43) Date of publication: 18.07.2018 Bulletin 2018/29 (21) Application number: 16763803.0 (22) Date of filing: 09.09.2016

(51) International Patent Classification (IPC):  A61K 9/14(2006.01) B02C 19/06(2006.01) A61K 31/40(2006.01) (86) International application number: PCT/EP2016/071321 (87) International publication number: WO 2017/042341 (16.03.2017 Gazette 2017/11)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 09.09.2015 EP 15184551 (71) Applicant: Vectura Limited Chippenham, Wiltshire SN14 6FH (GB)	(72) Inventors: MANFORD, Fergus Chippenham Wiltshire SN14 6FH (GB) GREEN, Matthew Chippenham Wiltshire SN14 6FH (GB) (74) Representative: Manford, Fergus Paul et al Vectura Limited One Prospect West Chippenham, Wiltshire SN14 6FH Chippenham, Wiltshire SN14 6FH (GB)